MGVCL Exam Paper (30-07-2021 Shift 2)
In transformer, a Sweep Frequency Response Analysis (SFRA) test will help detect ____

Moisture in the windings
Aging by-products
Movement / damage to internal components
Age of the insulation

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MGVCL Exam Paper (30-07-2021 Shift 2)
When different types of consumers are charged at different uniform per unit rates, it is called as ____

flat rate tariff
block rate tariff
maximum demand tariff
two-part tariff

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MGVCL Exam Paper (30-07-2021 Shift 2)
Consider a solar PV plant with the following specific conditions: Analysis period: 1 year
Measured average solar irradiation intensity in 1 year: 120 kWh/m²
Generator area of the PV plant: 10 m²
Efficiency factor of the PV modules: 15%
Electrical energy actually exported by plant to grid: 110 kWh
Calculate the performance ratio.

0.8111
0.5111
0.7111
0.6111

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MGVCL Exam Paper (30-07-2021 Shift 2)
The wind speed increases with height because of

enhancement of drag effect on the earth surface
reduction of drag effect of the earth surface
reduction in the gravitational force
reduction in lift effect of the air

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

ABC system requires more clearance, insulators and high maintenance.
ABC system totally eliminates the fault on lines and thereby improving the quality of supply.
The overall cost of the ABC system is very high as compared to the bare conductor system.
ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas.

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